Facile Biosynthesis of Silver Nanoparticles Using Descurainia sophia and Evaluation of Their Antibacterial and Antifungal Properties

Khatami, Mehrdad; Mehnipor, Rasoul; Poor, Mohammad Hossein Sobhani; Jouzani, Gholamreza Salehi

doi:10.1007/s10876-016-1028-5

Cited by 63 publications

(37 citation statements)

References 41 publications

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“…Based on the results, the silver nanoparticles exhibited bactericidal effect on both the Gram-positive and Gram-negative strains, with the highest antibacterial activity toward BS and SA, and the lowest towards PA. Based on these results, the silver nanoparticles synthesized using M. communis L. leaf extract showed better or comparable antibacterial activity compared with other inorganic antibiotics. [45][46][47][48][49] Silver-containing nanomaterials can present antibacterial activity via several routes: (1) by attaching to the walls of the cell and entering inside the cells, 32 (2) by attaching to membrane proteins and respiratory chains of mitochondria, (3) by generating ROS 33 by catalyzing partial reduction reaction of oxygen, 34 (4) by releasing silver ions followed by protein binding (via thiol groups of protein) and inactivation and DNA binding (via phosphate groups of DNA), and (5) by altering bacterial structure, physiology, and metabolism. 35,36 To investigate the probable mechanism of the antibacterial activity of the nanoparticles, various experiments were carried out.…”

Section: Resultsmentioning

confidence: 99%

Phytosynthesis of Silver Nanoparticles Using Myrtus communis L. Leaf Extract and Investigation of Bactericidal Activity

Ajdari

Tondro

Sattarahmady

et al. 2017

Journal of Elec Materi

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Silver nanoparticles have been synthesized using only Myrtus communis L. leaf extract by a facile procedure without other reagents. The extract played the roles of both reducing and capping agent. The nanoparticles were characterized using field-emission scanning microscopy, and remained stable for at least 3 weeks. Antibacterial activity of the nanoparticles was evaluated toward Escherichia coli, Bacillus subtilis, Pseudomonas aeruginosa, Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, and Enterococcus faecalis based on inhibition zone disk diffusion assays. The minimum inhibitory and bactericidal concentrations of the nanoparticles were obtained. Mechanisms for the antibacterial activity were proposed.

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Section: Resultsmentioning

confidence: 99%

Phytosynthesis of Silver Nanoparticles Using Myrtus communis L. Leaf Extract and Investigation of Bactericidal Activity

Ajdari

Tondro

Sattarahmady

et al. 2017

Journal of Elec Materi

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show abstract

“…The free radicals from metals may damage the bacterial membranes, mitochondria and DNA, which can subsequently cause bursting and death of the cell [21]. Different studies confirmed that green synthesized AgNPs show high antifungal activities against various types of fungi, such as Rhizoctonia solani [25], C. albicans and C. tropicalis [31].…”

Section: In Vitro Antimicrobial Activity Of Agnpsmentioning

confidence: 99%

Green Synthesis of Potent Antimicrobial Silver Nanoparticles Using Different Plant Extracts and Their Mixtures

et al. 2019

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Nano-sized metals have been introduced as a promising solution for microbial resistance to antimicrobial agents. Silver nanoparticles (AgNPs) have been proven to possess good antimicrobial activity. Green synthesis of AgNPs has been reported as safe, low cost and ecofriendly. This methodology uses extracts originating from different plants to reduce silver ions from AgNO 3 into nano-sized particles. In this study, extracts of several plants including ginger, garlic, capsicum and their mixtures were successfully used to produce AgNPs. Numerous spectroscopic, light scattering and microscopic techniques were employed to characterize the synthesized AgNPs. Agar well diffusion assay was performed to investigate the antimicrobial activity of AgNPs. The biosynthesized AgNPs have spherical shape with a size range of 20-70 nm. Garlic extract, pure or in mixture with ginger extract, generated AgNPs of the smallest size. The presence of the plant-origin capping agents surrounding AgNPs was proven by Fourier-transform infrared spectroscopy. The AgNPs, at a concentration of 50 µg/mL, demonstrated potent antimicrobial activity against Staphyloccocus aureus, Escherichia coli and Candida albicans as indicated by the zones of inhibitions. Our results revealed that AgNPs having potent antimicrobial activity could be prepared using different pure plant extracts and their mixtures.

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“…Thus, 300 μl of the sample was diluted with 3 ml of distilled water, and UV-Vis spectrum analysis was performed using a spectrophotometer device (JENWAY 6405) in the range of 300-700 nm [29,30].…”

Section: Uv-vis Spectroscopy Analysismentioning

confidence: 99%

Biosynthesis of copper nanoparticles using aqueous extract of Capparis spinosa fruit and investigation of its antibacterial activity

Ebrahimi¹,

Shiravand²,

Mahmoudvand³

2017

mpj

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Facile Biosynthesis of Silver Nanoparticles Using Descurainia sophia and Evaluation of Their Antibacterial and Antifungal Properties

Cited by 63 publications

References 41 publications

Phytosynthesis of Silver Nanoparticles Using Myrtus communis L. Leaf Extract and Investigation of Bactericidal Activity

Phytosynthesis of Silver Nanoparticles Using Myrtus communis L. Leaf Extract and Investigation of Bactericidal Activity

Green Synthesis of Potent Antimicrobial Silver Nanoparticles Using Different Plant Extracts and Their Mixtures

Biosynthesis of copper nanoparticles using aqueous extract of Capparis spinosa fruit and investigation of its antibacterial activity

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